Final answer:
18-year-olds are more likely than 15-year-olds to mention B) emotional intimacy when describing romantic relationships.
Step-by-step explanation:
When describing romantic relationships, 18-year-olds are more likely than 15-year-olds to mention emotional intimacy.
This is because in late adolescence, developing a sense of self and strong relationships become important.
During this time, young adults are ready to share their lives with others and seek emotional connection in their romantic relationships.